Name: Simplex 4020
Brand: Simplex
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Document No: 4020-M010 1st February, 1997 Issue 2.0

(4) If you receive an alarm while acknowledging faults, you immediately exit the fault

list, the alarm while be displayed, the buzzer will be sounding and the alarm LED

will be flashing. The fault LED will still be flashing.

7.2 BUZZER MUTE FACILITY

Use the following procedure to mute the panel buzzer.

STEP 1 Press the ADD key on the keypad.

The following “buzzer mute” message will continually cycle ON and OFF

on the LCD display.

** WARNING - PANEL BUZZER IS DISABLED **

Use ADD key to switch ON or OFF

To restore panel buzzer operation, press the ADD key to remove the

buzzer mute function.

NOTE: The panel buzzer cannot be muted for alarm conditions. In the event of a

fire alarm, the buzzer mute function is reset immediately and the panel

buzzer will sound.

ADD

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